Method scaleTimemapToFit

src/gui/AutomationPatternView.cpp:483–508

* @brief Preserves the auto points over different scale */

 * @brief Preserves the auto points over different scale
 */
void AutomationPatternView::scaleTimemapToFit( float oldMin, float oldMax )
{
	float newMin = m_pat->getMin();
	float newMax = m_pat->getMax();

	if( oldMin == newMin && oldMax == newMax )
	{
		return;
	}

	for( AutomationPattern::timeMap::iterator it = m_pat->m_timeMap.begin();
		it != m_pat->m_timeMap.end(); ++it )
	{
		if( *it < oldMin )
		{
			*it = oldMin;
		}
		else if( *it > oldMax )
		{
			*it = oldMax;
		}
		*it = (*it-oldMin)*(newMax-newMin)/(oldMax-oldMin)+newMin;
	}

	m_pat->generateTangents();
}